/*
 * Bytecode Analysis Framework
 * Copyright (C) 2003-2007 University of Maryland
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package edu.umd.cs.findbugs.classfile.engine.bcel;

import java.util.ArrayList;
import java.util.Iterator;

import edu.umd.cs.findbugs.ba.SignatureParser;
import edu.umd.cs.findbugs.classfile.CheckedAnalysisException;
import edu.umd.cs.findbugs.classfile.IAnalysisCache;
import edu.umd.cs.findbugs.classfile.MethodDescriptor;

/**
 * Analysis engine to produce parameter signature lists for
 * analyzed methods.
 * 
 * @author David Hovemeyer
 */
public class ParameterSignatureListFactory extends AnalysisFactory<String[]> {
	/**
	 * Constructor.
	 */
	public ParameterSignatureListFactory() {
		// XXX: should have a proper analysis class
		super("parameter signature list factory", String[].class);
	}

	/* (non-Javadoc)
	 * @see edu.umd.cs.findbugs.classfile.IAnalysisEngine#analyze(edu.umd.cs.findbugs.classfile.IAnalysisCache, java.lang.Object)
	 */
	public String[] analyze(IAnalysisCache analysisCache, MethodDescriptor descriptor) throws CheckedAnalysisException {
		SignatureParser parser = new SignatureParser(descriptor.getSignature());
		ArrayList<String> resultList = new ArrayList<String>();
		for (Iterator<String> i = parser.parameterSignatureIterator(); i.hasNext();) {
			resultList.add(i.next());
		}
		return resultList.toArray(new String[resultList.size()]);
	}
}
